LAKE LEON (DUFFER), District 7B, Texas

A field is the Railroad Commission's unit of geology and of regulation. Its spacing rule is what decides how many wells an acreage can hold.

Leases
56
with a page here
Operators
18
Value, all time
$14.7 M
57% of the register's 98
Discovered
1976-02-18
Oil and gas

Our estimate: volumes the operator filed with the Commission, valued at the EIA first-purchase price for that month. It is not a payment anyone received, and it is not a royalty. It sums the 56 leases in this field that have a page here — 57% of the register's 98 — so it understates the field.

Production, 2025

The Railroad Commission's Oil and Gas Annual Report for 2025, its most recent. These are the state's figures for the whole field, not ours.

WellsIn the fieldProducingProduced in 2025Also producedCumulative
Oil5333 bbl0 mcfcasinghead211,996 bblsince discovery
Gas311228,863 mcf150 bblcondensate7,695,518 mcfsince 1970

The discovery well's oil measured 41.5° API gravity, perforated at 3,500 ft.

Hydrogen sulphide

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
OilB1988-02-01330 ft933 ft402,100 ft
GasB467 ft1,200 ft400 ft
GasO467 ft1,200 ft201,100 ft

Commission remarks: OPTIONS OF 20 AC W/1100 FT DIAG.

County

Leases in this field

Every lease here files this field's number with the Commission and has a page on this site.

LeaseOperatorValue
DURHAM, H. H.BACON ENERGY$2.1 M
WOODSPENDRAGON OIL CO.$1.4 M
WOODS, D.PENDRAGON OIL CO.$1.2 M
MCGOUGHJD OPERATING$1.0 M
FREYSCHLAGPENDRAGON OIL CO.$553 k
GORDONPENDRAGON OIL CO.$541 k
WILLIAMSON, J. "B"TEXXOL OPERATING COMPANY, INC.$538 k
FREYSCHLAGPENDRAGON OIL CO.$535 k
WILLIAMSON, J.ANDERSON PRODUCTION$532 k
LOBOPENDRAGON OIL CO.$516 k
TINDALL IIBRAKA OPERATING, L.L.C.$494 k
TINDALL SOUTHBRAKA OPERATING, L.L.C.$442 k
EVAPENDRAGON OIL CO.$441 k
CLABORNPENDRAGON OIL CO.$436 k
GANNPENDRAGON OIL CO.$397 k
WATKINSDFG ENERGY COMPANY LLC$346 k
NORWOODBRAKA OPERATING, L.L.C.$343 k
MEAZELL, CASEY "D"EASTLAND OPERATING, L.L.C.$338 k
WILLIAMSON, J.ANDERSON PRODUCTION$311 k
TINDALL "D"BRAKA OPERATING, L.L.C.$311 k
TINDALL "D"BRAKA OPERATING, L.L.C.$310 k
KIMBRELLTEXXOL OPERATING COMPANY, INC.$259 k
MCCORD, W.H.DFG ENERGY COMPANY LLC$190 k
FINLEY, J.J.BRAKA OPERATING, L.L.C.$171 k
KIMBRELLTEXXOL OPERATING COMPANY, INC.$131 k
MEAZELL "H"EASTLAND OPERATING, L.L.C.$128 k
HOOD KINGEASTLAND OPERATING, L.L.C.$112 k
MEAZELL CASEY "A"EASTLAND OPERATING, L.L.C.$102 k
MEAZELL, CASEY (DANNY) "G"EASTLAND OPERATING, L.L.C.$87 k
HANNA, MARGARETBUSTAMANTE RESOURCES LLC$72 k
GANNPENDRAGON OIL CO.$65 k
MORTONPENDRAGON OIL CO.$62 k
MAZELL "F"EASTLAND OPERATING, L.L.C.$40 k
TINDALL "D"BRAKA OPERATING, L.L.C.$28 k
HOOD-KINGEASTLAND OPERATING, L.L.C.$27 k
MEAZELL, CASEY "A"TEXOKAN OPERATING, INC.$26 k
MORTONPENDRAGON OIL CO.$26 k
HOOD KINGEASTLAND OPERATING, L.L.C.$25 k
SNOW-NANCESMITH PIPE OF ABILENE$17 k
MEAZELL "C"MORTON VALLEY OIL & GAS, INC.$11 k
LOIS MEAZELL "E"MORTON VALLEY OIL & GAS, INC.$10 k
O'DELL, MARCUS UNITSMITH PIPE OF ABILENE$10 k
MORTONPENDRAGON OIL CO.$10 k
MEAZELL, CASEY "F"BAM OPERATING, INC.$6 k
SNOW-NANCESMITH PIPE OF ABILENE$4 k
TINDALL SOUTHBRAKA OPERATING, L.L.C.$2 k
KIMBRELLYELLOW ROSE OIL & GAS OPER. INC.$2 k
SIKESGIPSON, TOM C.$2 k
NORWOODNORTH RIDGE CORPORATION$2 k
NANCEWELLS OILFIELD SERVICES, INC.$1 k
MEAZELL W.MORTON VALLEY OIL & GAS, INC.$1 k
TINDALL SOUTHBRAKA OPERATING, L.L.C.$837
GANNPENDRAGON OIL CO.$733
KIMBRELLSMITH PIPE OF ABILENE$612
KIMBRELLRICHEY, RAY MANAGEMENT CO., INC.$182
MEAZELL, CASEY "B"MORTON VALLEY OIL & GAS, INC.$84

Field number 51491300, from the Railroad Commission's field register. The register's own index resolves 98 leases and 108 wells to this field by name, over every lease in Texas rather than only those with a page here. It resolves a lease by NAME and refuses an ambiguous one, so it counts nothing for a field that shares its name with another — which is why the lease count above comes from the field number instead.